莆田第十四中学:Honesty can be effictive___a difficult situation you are in.

Honesty can be effictive___a difficult situation you are in. can be,may be和must be can be与must be 的区别 Flying kites can be fun! All that can be done_____. All that can be done__________. be able to和can what table can be eaten can't be helped Can u be my girlfriend?????